DIAMOND FLOWER, INC.
486-33/50UCE, 486DX2-50UCE
Processor |
80486DX/80486DX2 |
Processor Speed |
33/50(internal)/50/66(internal)MHz |
Chip Set |
UMC |
Max. Onboard DRAM |
32MB |
Cache |
64/128/256KB |
BIOS |
AMI |
Dimensions |
330mm x 220mm |
I/O OPTIONS |
32-bit external memory card slot |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Keyboard connector |
J1 |
Turbo switch |
J8 and J17 |
Speaker |
J2 |
Power LED & Keylock |
J9 |
Turbo LED |
J3 |
External battery |
J18 |
Reset switch |
J5 and J14 |
32-bit external memory card |
S1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Jumper |
Position | |
» |
Factory configured - do not alter |
J4 |
closed |
» |
Factory configured - do not alter |
J6 |
pins 1 & 2 and 3 & 4 closed |
» |
Factory configured - do not alter |
J7 |
open |
» |
Battery select internal |
J16 |
pins 2 & 3 closed |
Battery select external |
J16 |
pins 1 & 2 closed | |
» |
Factory configured - do not alter |
J19 |
open |
» |
Monitor type select color |
J20 |
closed |
Monitor type select monochrome |
J20 |
open |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
1MB |
(4) 256K x 9 |
NONE |
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
4MB |
(4) 1M x 9 |
NONE |
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
16MB |
(4) 4M x 9 |
NONE |
20MB |
(4) 1M x 9 |
(4) 4M x 9 |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
SRAM CONFIGURATION | |||
Size |
Cache SRAM |
Location |
TAG |
64KB |
(8) 8K x 8 |
Banks 0 & 1 |
(1) 8K x 8 |
128KB |
(4) 32K x 8 |
Bank 0 |
(1) 8K x 8 |
256KB |
(8) 32K x 8 |
Banks 0 & 1 |
(1) 32K x 8 |
SRAM JUMPER CONFIGURATION | |||
Jumper |
64KB |
128KB |
256KB |
W1 |
open |
closed |
closed |
W2 |
open |
closed |
closed |
W3 |
closed |
closed |
closed |
W4 |
open |
open |
closed |
W5 |
open |
open |
closed |
J10 |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 2 & 3 closed |
J11 |
pins 1 & 2 closed |
pins 2 & 3 closed |
pins 1 & 2 closed |
J12 |
open |
pins 1 & 2 closed |
pins 2 & 3 closed |
J13 |
pins 1 & 2 closed |
pins 1 & 2 closed |
pins 2 & 3 closed |
J15 |
closed |
closed |
closed |